JP2009160445A - プリオン感染物質で汚染された表面を洗浄および除染する処方物 - Google Patents
プリオン感染物質で汚染された表面を洗浄および除染する処方物 Download PDFInfo
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- JP2009160445A JP2009160445A JP2009102511A JP2009102511A JP2009160445A JP 2009160445 A JP2009160445 A JP 2009160445A JP 2009102511 A JP2009102511 A JP 2009102511A JP 2009102511 A JP2009102511 A JP 2009102511A JP 2009160445 A JP2009160445 A JP 2009160445A
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- hydrogen peroxide
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- peroxide
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Abstract
【解決手段】タンパク質関連疾患(プリオンなど)で汚染された医療機器の表面を処理する方法は、この表面と過酸化物イオン源を含む組成物(例えば、少なくとも1.5M過酸化物のモル濃度の過酸化水素(約5%過酸化水素と等価である)および好ましくは、約2M過酸化物(約7%過酸化水素))とを接触する工程を含む。上記組成物は必要に応じてゲル状である。上記組成物は上記表面との接触において、全てのタンパク質関連疾患汚染または実質的に全てのタンパク質関連疾患汚染が除去されるまで、約2時間保持される。
【選択図】図2
Description
本発明は生物学的除染の分野に関する。本発明は、医療機器、歯科用機器、および薬学的機器からの有害な生物学的物質(例えば、プリオン(タンパク質性感染性因子))の洗浄ならびに除去および/または破壊に関連する特定の適用を見出し、そしてそれに対する特定の参照とともに記載される。しかしながら、本発明の方法およびシステムはプリオン感染物質に汚染された幅広い範囲の装置、機器および他の表面(例えば、製剤施設、食品加工施設、床を含む実験動物研究設備、作業台、装置、ケージ、発酵タンク、流体ラインなど)の生物学的除染において利用され得るこが認識される。
本発明の1つの局面に従って、プリオンに汚染された表面の処理の方法を提供する。上記方法は、上記表面と少なくとも5重量%の過酸化水素を含む水溶性組成物とを、上記表面上でプリオンが少なくとも実質的に減少するのに十分な時間接触する工程を含む。
(項目1)
プリオンで汚染された表面を処理する方法であって、以下:
該表面と少なくとも1.5Mのモル濃度である過酸化物を含む水溶性組成物とを該表面上のプリオンが少なくとも実質的に減少するのに十分な時間接触させる工程
によって特徴付けられる、方法。
(項目2)
前記接触工程が、以下:
プリオンで汚染された機器の表面を、少なくとも1.5Mのモル濃度である過酸化物、および湿潤剤を含むゲル状組成物でコーティングする工程;および
該表面との接触において、該ゲルを少なくとも1時間保持する工程、
によってさらに特徴付けられる、項目1に記載の方法。
(項目3)
項目1または項目2に記載の方法であって、以下:
前記過酸化物が過酸化水素を含むこと、
によってさらに特徴付けられる、方法。
(項目4)
項目1〜項目3のいずれか1項に記載の方法であって、以下:
前記過酸化物濃度が前記組成物の6重量%〜8重量%であること、
によってさらに特徴付けられる、方法。
(項目5)
項目1〜項目4のいずれか1項に記載の方法であって、以下:
前記接触工程が前記表面と前記組成物とが少なくとも約1時間接触する工程を含むこと、
によってさらに特徴付けられる、方法。
(項目6)
項目5に記載の方法であって、以下:
前記接触工程が前記表面と前記組成物とが少なくとも約2時間接触する工程を含むこと、
によってさらに特徴付けられる、方法。
(項目7)
項目1〜項目6のいずれか1項に記載の方法であって、以下:
前記組成物が少なくとも500cpsの粘度を有すること、
によってさらに特徴付けられる、方法。
(項目8)
項目7に記載の方法であって、以下:
前記組成物が700cps〜4000cpsの粘度を有すること、
によってさらに特徴付けられる、方法。
(項目9)
項目7および項目8のいずれか1項に記載の方法であって、以下:
前記組成物がセルロース誘導体、アクリル酸ベースのポリマー、ゴム、例えばグアー、グアー誘導体、アルギネート、アルギン酸誘導体、非イオン性界面活性剤、非イオン性ポリマー、およびこれらの組み合わせからなる群より選択される増粘剤を含むこと、
によってさらに特徴付けられる方法。
(項目10)
項目9に記載の方法であって、以下:
前記増粘剤がヒドロキシエチルセルロースまたはこれらの疎水的改変誘導体を含むこと、
によってさらに特徴付けられる、方法。
(項目11)
項目1〜項目10のいずれか1項に記載の方法であって、以下:
前記組成物が約4〜8のpHを有すること、
によってさらに特徴付けられる、方法。
(項目12)
項目11に記載の方法であって、以下:
前記組成物が約5〜6のpHを有すること、
によってさらに特徴付けられる、方法。
(項目13)
項目1〜項目12のいずれか1項に記載の方法であって、以下:
前記組成物が前記表面上で水分を保持するための湿潤剤をさらに含むこと、
によってさらに特徴付けられる、方法。
(項目14)
項目13に記載の方法であって、以下:
前記湿潤剤がソルビトール、グリセリン、グルシトール、ポリエチレングリコール、プロピレングリコール、ジプロピレングリコール、1,3−ブチレングリコール、ヘキシレングリコール、およびこれらの混合物からなる群より選択されること、
によってさらに特徴付けられる、方法。
(項目15)
項目14に記載の方法であって、以下:
前記湿潤剤がソルビトールを含むこと、
によってさらに特徴付けられる、方法。
(項目16)
項目14および項目15のいずれかに記載の方法であって、以下:
前記湿潤剤が前記組成物の約5重量%から30重量%で存在すること、
によってさらに特徴付けられる、方法。
(項目17)
項目1〜項目16のいずれか1項に記載の方法であって、以下:
前記組成物が腐食防止剤、過酸化水素安定剤、および界面活性剤からなる群の少なくとも1つをさらに含むこと、
によってさらに特徴付けられる、方法。
(項目18)
項目1〜項目17のいずれか1項に記載の方法であって、以下:
前記表面が医療機器の表面であること、
によって特徴付けられる、方法。
(項目19)
プリオンで汚染された表面を処理するための組成物であって、以下:
5重量%〜30重量%の過酸化水素;
700cps〜4000cpsの粘度を提供するのに十分な量の増粘剤;
5重量%〜30重量%の湿潤剤;
少なくとも0.1重量%の腐食防止剤;および
過酸化水素安定剤
によって特徴付けられる、組成物。
(項目20)
項目19に記載の組成物であって、以下:
該組成物のpHが5〜6であること、
によってさらに特徴付けられる、組成物。
(項目21)
項目19および項目20のいずれか1項に記載の組成物であって、以下:
前記過酸化水素が6重量%〜8重量%の濃度であること、
によって特徴付けられる、組成物。
本発明のさらなる利点は、以下の好ましい実施形態の詳細な記述を読み、そして理解することによって、当業者に明らかになる。
本発明は、種々の成分および成分の配列の形態をとり得、ならびに種々の工程および工程の配列の形態をとり得る。これらの図面は、好ましい実施形態を例証する目的のためのみであり、そして本発明を限定するものと解釈されるべきではない。
プリオンによって汚染された表面を除染する方法は、上記処理される表面と過酸化水素を含む組成物とを接触する工程を含み、ここで上記表面からプリオンを排除するおよび/または上記表面上でプリオンを破壊するために、この組成物は、十分な濃度の過酸化水素を含みおよび上記表面と十分な時間接触する。予想外に、プリオンを水溶性組成物における比較的に高い濃度の過酸化水素(すなわち、上記組成物の約5重量%を超える過酸化水素、またはこれと等価のモルパーセントの過酸化物)で処理することによって、多くのプリオン(すなわち、99%より大きい破壊)が、比較的に短い時間(約1時間、またはそれ未満)で処理が達成されることが見出された。3時間で、より好ましくは約2時間またはそれ未満で6対数減少(最初に存在する100万個のプリオン毎に1以下)が達成される。
pyogenes)、ブドウ球菌属(Staphylococcus)、例えば、黄色ブドウ球菌(Staphylococcus aureus)、Staphylococcus pyogenes、エシェリキア属(Escherichia)、例えば、大腸菌(Escherichia coli)、プロテウス属(Proteus)、例えば、プロテウスミラビリス(Proteus mirabilis)、およびリステリア属(Listera)、例えばリステリア菌(Listeria monocytogenes)などが挙げられる。
variable、スタキボトリス(Stachybotrys)などが挙げられる。
表1に示される、以下の処方物を調製する。処方物1は、7%の過酸化水素を含む。コントロールとして用いるために、処方物2を過酸化水素を用いずに調製した。
(実施例2:IFDOにおける過酸化水素濃度の効果)
処方物を、実施例1の処方物1のように調製したが、処方物は異なる過酸化水素濃度(水の量に従って調整した)を有する。
(実施例3:プリオン汚染物質における過酸化水素の効果)
ステンレス鋼ワイヤーを、スクラピー(ヒツジ)プリオンタンパク質によって汚染された脳物質に接種した。上記ワイヤーを一晩、空気乾燥した。上記ワイヤーのセットを、以下:脱イオン水;実施例1の処方物1(7%過酸化水素および界面活性剤などを含む);および脱イオン水中の7%過酸化水素の1つに、1時間浸漬する。上記ワイヤーを上記液体から取り除き、ワイヤーを脱イオン水でリンスし、そして残留するタンパク質および生物学的材料を除去するために抽出した。上記抽出した試料を、SDSPAGEによって分離し、そして上記処理後のスクラピーの存在または欠如を検出するために、抗スクラピータンパク質抗体を用いてウェスタンブロッティングした。コントロールサンプル(浸漬なし)もまた抽出および試験する。その結果を表2に示す。
Claims (10)
- タンパク質関連疾患で汚染された表面を処理する方法であって、以下:
該表面と少なくとも1.5Mのモル濃度である過酸化物を含む水溶性組成物とを該表面上のタンパク質が少なくとも実質的に減少するのに十分な時間接触させる工程
によって特徴付けられる、方法。 - 前記接触工程が、以下:
前記疾患に関連するタンパク質で汚染された機器の表面を、少なくとも1.5Mのモル濃度である過酸化物、および湿潤剤を含むゲル状組成物でコーティングする工程;および
該表面との接触において、該ゲルを少なくとも1時間保持する工程、
によってさらに特徴付けられる、請求項1に記載の方法。 - 請求項1〜請求項2のいずれか1項に記載の方法であって、以下:
前記過酸化物濃度が前記組成物の6重量%〜8重量%であること、
によってさらに特徴付けられる、方法。 - 請求項1〜請求項3のいずれか1項に記載の方法であって、以下:
前記接触工程が前記表面と前記組成物とが少なくとも約1時間接触する工程を含むこと、
によってさらに特徴付けられる、方法。 - 請求項1〜請求項4のいずれか1項に記載の方法であって、以下:
前記組成物がセルロース誘導体、アクリル酸ベースのポリマー、ゴム、例えばグアー、グアー誘導体、アルギネート、アルギン酸誘導体、非イオン性界面活性剤、非イオン性ポリマー、およびこれらの組み合わせからなる群より選択される増粘剤を含むこと、
によってさらに特徴付けられる方法。 - 請求項1〜請求項5のいずれか1項に記載の方法であって、以下:
前記組成物が約4〜8のpHを有すること、
によってさらに特徴付けられる、方法。 - 請求項1〜請求項6のいずれか1項に記載の方法であって、以下:
前記組成物が前記表面上で水分を保持するための湿潤剤をさらに含むこと、
によってさらに特徴付けられる、方法。 - 請求項7に記載の方法であって、以下:
前記湿潤剤がソルビトール、グリセリン、グルシトール、ポリエチレングリコール、プロピレングリコール、ジプロピレングリコール、1,3−ブチレングリコール、ヘキシレングリコール、およびこれらの混合物からなる群より選択されること、
によってさらに特徴付けられる、方法。 - 請求項1〜請求項8のいずれか1項に記載の方法であって、以下:
前記組成物が腐食防止剤、過酸化水素安定剤、および界面活性剤からなる群の少なくとも1つをさらに含むこと、
によってさらに特徴付けられる、方法。 - タンパク質関連疾患で汚染された表面を処理するための組成物であって、以下:
5重量%〜30重量%の過酸化水素;
700cps〜4000cpsの粘度を提供するのに十分な量の増粘剤;
5重量%〜30重量%の湿潤剤;
少なくとも0.1重量%の腐食防止剤;および
過酸化水素安定剤
によって特徴付けられる、組成物。
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JP2012140485A (ja) * | 2010-12-28 | 2012-07-26 | Kao Corp | 医療器具用洗浄剤組成物 |
JP2012140484A (ja) * | 2010-12-28 | 2012-07-26 | Kao Corp | 医療器具用洗浄剤組成物 |
JP2019048978A (ja) * | 2013-03-29 | 2019-03-28 | コミッサリア ア レネルジー アトミーク エ オ ゼネルジ ザルタナテイヴ | 着色除染ゲル及び前記ゲルを用いて表面を除染するための方法 |
JP2019147150A (ja) * | 2014-04-16 | 2019-09-05 | エコラボ ユーエスエー インコーポレイティド | 錠剤コーティングを除去するために有用な組成物及び方法 |
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US20060105930A1 (en) | 2006-05-18 |
CN1798581A (zh) | 2006-07-05 |
AU2004245034A1 (en) | 2004-12-16 |
US7071152B2 (en) | 2006-07-04 |
ES2293307T3 (es) | 2008-03-16 |
DE602004008454T2 (de) | 2008-05-15 |
DE602004008454D1 (de) | 2007-10-04 |
KR20060023535A (ko) | 2006-03-14 |
ATE370752T1 (de) | 2007-09-15 |
JP4490973B2 (ja) | 2010-06-30 |
EP1628689A1 (en) | 2006-03-01 |
JP2007504927A (ja) | 2007-03-08 |
CA2525751C (en) | 2012-03-27 |
US7217685B2 (en) | 2007-05-15 |
US7393818B2 (en) | 2008-07-01 |
CA2525751A1 (en) | 2004-12-16 |
US20070289614A1 (en) | 2007-12-20 |
US20070037723A1 (en) | 2007-02-15 |
EP1628689B1 (en) | 2007-08-22 |
WO2004108170A1 (en) | 2004-12-16 |
AU2004245034B2 (en) | 2009-10-22 |
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